kopia lustrzana https://github.com/onthegomap/planetiler
70 wiersze
2.3 KiB
Java
70 wiersze
2.3 KiB
Java
package com.onthegomap.flatmap.openmaptiles.layers;
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import static com.onthegomap.flatmap.openmaptiles.Utils.coalesce;
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import static com.onthegomap.flatmap.openmaptiles.Utils.nullIfEmpty;
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import com.onthegomap.flatmap.Arguments;
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import com.onthegomap.flatmap.FeatureCollector;
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import com.onthegomap.flatmap.Parse;
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import com.onthegomap.flatmap.SourceFeature;
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import com.onthegomap.flatmap.Translations;
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import com.onthegomap.flatmap.ZoomFunction;
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import com.onthegomap.flatmap.monitoring.Stats;
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import com.onthegomap.flatmap.openmaptiles.OpenMapTilesProfile;
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import com.onthegomap.flatmap.openmaptiles.generated.OpenMapTilesSchema;
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import com.onthegomap.flatmap.openmaptiles.generated.Tables;
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import java.util.Map;
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import java.util.Set;
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public class Landuse implements
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OpenMapTilesSchema.Landuse,
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OpenMapTilesProfile.NaturalEarthProcessor,
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Tables.OsmLandusePolygon.Handler {
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public Landuse(Translations translations, Arguments args, Stats stats) {
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}
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@Override
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public void processNaturalEarth(String table, SourceFeature feature, FeatureCollector features) {
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if ("ne_50m_urban_areas".equals(table)) {
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Double scalerank = Parse.parseDoubleOrNull(feature.getTag("scalerank"));
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if (scalerank != null && scalerank <= 2) {
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features.polygon(LAYER_NAME).setBufferPixels(BUFFER_SIZE)
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.setAttr(Fields.CLASS, FieldValues.CLASS_RESIDENTIAL)
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.setZoomRange(4, 5);
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}
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}
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}
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private static final ZoomFunction<Number> MIN_PIXEL_SIZE_THRESHOLDS = ZoomFunction.fromMaxZoomThresholds(Map.of(
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13, 4,
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7, 2,
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6, 1
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));
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private static final Set<String> Z6_CLASSES = Set.of(
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FieldValues.CLASS_RESIDENTIAL,
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FieldValues.CLASS_SUBURB,
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FieldValues.CLASS_QUARTER,
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FieldValues.CLASS_NEIGHBOURHOOD
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);
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@Override
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public void process(Tables.OsmLandusePolygon element, FeatureCollector features) {
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String clazz = coalesce(
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nullIfEmpty(element.landuse()),
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nullIfEmpty(element.amenity()),
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nullIfEmpty(element.leisure()),
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nullIfEmpty(element.tourism()),
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nullIfEmpty(element.place()),
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nullIfEmpty(element.waterway())
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);
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if (clazz != null) {
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features.polygon(LAYER_NAME).setBufferPixels(BUFFER_SIZE)
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.setAttr(Fields.CLASS, clazz)
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.setMinPixelSizeThresholds(MIN_PIXEL_SIZE_THRESHOLDS)
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.setZoomRange(Z6_CLASSES.contains(clazz) ? 6 : 9, 14);
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}
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}
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}
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